RSpec your GPU today.

gpu_spec.rb

require 'spec_helper'

describe HaDope::GPU do
  before(:all) do
    @input_array = (1..10000000).to_a
    HaDope::DataSet.create({  name: :test_dataset, type: :int,
                              data: @input_array  })

    HaDope::Map.create({  name: :test_task, key: [:int, :i],
                          function: 'i++;'  })

    HaDope::Map.create({  name: :inverse_test_task, key: [:int, :i],
                          function: 'i--;'  })

    HaDope::GPU.get
  end

  it "should allow data to be loaded and retrieved without modifications if no kernel tasks are queued" do
    output_array = HaDope::GPU.get.load(:test_dataset).output
    output_array.should eql @input_array
  end

  it "should remember a dataset without chaining" do
    HaDope::GPU.get.load(:test_dataset)
    output_array = HaDope::GPU.get.output
    output_array.should eql @input_array
  end

  it "should allow a map function to be executed on all data correctly" do
    output_array = HaDope::GPU.get.load(:test_dataset).map(:test_task).output
    ruby_map = @input_array.map { |i| i + 1 }
    output_array.should eql ruby_map
  end

  it "should allow multiple map functions to be chained correctly" do
    output_array = HaDope::GPU.get.load(:test_dataset).map(:test_task).map(:inverse_test_task).output
    output_array.should eql @input_array
  end
end